Autoweek - Dec 27, 2016 The Mercedes-Benz W123 was built for the 1976 through 1985 model years, and it was a huge sales success. You'll see examples of the W123 still driving every day, all over the world, and the most legendary type is the OM617-equipped turbocharged diesel ...

Autoweek - Jul 28, 2016 Now that 31 years have passed since Mercedes-Benz ceased making the diesel W123, the verdict is in: these cars were very well-built and staggeringly reliable, thanks in large part to the legendary OM617 engine. What they were not, however, was quick ...